Cassidy in in Airlock preparing for EVA

ISS036-E-014640 (3 July 2013) --- NASA astronaut Chris Cassidy, Expedition 36 flight engineer, prepares to don his Extravehicular Mobility Unit (EMU) spacesuit during a ?dry run? in the International Space Station?s Quest airlock in preparation for the first of two sessions of extravehicular (EVA) scheduled for July 9 and July 16. Cassidy is wearing a liquid cooling and ventilation garment that complements the EMU.